Which novel by Dan Brown features Robert Langdon in an adventure intertwining religious symbols and conspiracies?

The Da Vinci Code

"The Da Vinci Code" sparked a media frenzy upon its release, challenging readers to question their knowledge of art and religious history. Dan Brown mixed historical facts and fiction so skillfully that many sought to untangle the truth from fiction. The global success of the book led to heated debates, guided tours of the mentioned locations, and even documentaries attempting to explore its assertions. This literary phenomenon not only captivated readers but also opened the door to a new wave of historical thrillers.